@misc{indiciaeb32b461aaaa5,
  title = {Morphine and methadone maintenance clinics.},
  author = {P Cushman},
  year = {1981},
  doi = {10.1056/nejm198108203050822},
  url = {https://pubmed.ncbi.nlm.nih.gov/7254292/},
  note = {Source identifier: 7254292}
}